Radeon HD 6990 vs Radeon HD 8770M
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6990 and Radeon HD 8770M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon HD 6990 and Radeon HD 8770M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Radeon HD 8770M is a Laptop Graphics Card
Note: Radeon HD 8770M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon HD 8770M here:
Main Specs
Radeon HD 6990
Radeon HD 8770M
Power consumption (TDP)
375 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
1x DVI, 4x mini-DisplayPort
No outputs
Check Price
Check Price
Radeon HD 6990 is connected by PCIe 2.0 x16, and Radeon HD 8770M uses PCIe 3.0 x8 interface.
Radeon HD 6990 and Radeon HD 8770M have maximum RAM of 2 GB.
Radeon HD 6990 is used in Desktops, and Radeon HD 8770M - in Laptops.
Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon HD 8770M - with GCN.
Core clock speed of Radeon HD 6990 is 55 MHz higher, than Radeon HD 8770M.
Radeon HD 6990 is manufactured by 40 nm process technology, and Radeon HD 8770M - by 28 nm process technology.
Memory clock speed of Radeon HD 6990 is 500 MHz higher, than Radeon HD 8770M.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
14−16
7−8
ultra / 1080p
9−10
4−5
QHD / 1440p
3−4
0−1
low / 720p
30−35
16−18
medium / 1080p
18−20
8−9
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 111% more, than Radeon HD 8770M.
high / 1080p
24−27
12−14
ultra / 1080p
21−24
10−11
QHD / 1440p
7−8
0−1
4K / 2160p
5−6
−
low / 720p
50−55
24−27
medium / 1080p
27−30
12−14
The average gaming FPS of Radeon HD 6990 in Battlefield 5 is 113% more, than Radeon HD 8770M.
low / 768p
45−50
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
Radeon HD 6990 and Radeon HD 8770M have the same average FPS in Call of Duty: Warzone.
low / 768p
210−220
140−150
medium / 768p
170−180
110−120
ultra / 1080p
95−100
55−60
QHD / 1440p
50−55
30−33
4K / 2160p
30−33
27−30
high / 768p
140−150
80−85
The average gaming FPS of Radeon HD 6990 in Counter-Strike: Global Offensive is 56% more, than Radeon HD 8770M.
low / 768p
55−60
55−60
ultra / 1080p
40−45
20−22
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6990 in Cyberpunk 2077 is 16% more, than Radeon HD 8770M.
low / 768p
110−120
80−85
medium / 768p
90−95
60−65
ultra / 1080p
60−65
35−40
The average gaming FPS of Radeon HD 6990 in Dota 2 is 50% more, than Radeon HD 8770M.
high / 1080p
18−20
8−9
ultra / 1080p
16−18
8−9
4K / 2160p
6−7
3−4
low / 720p
35−40
18−20
medium / 1080p
18−20
9−10
The average gaming FPS of Radeon HD 6990 in Far Cry 5 is 111% more, than Radeon HD 8770M.
high / 1080p
24−27
14−16
ultra / 1080p
18−20
10−11
QHD / 1440p
16−18
−
low / 720p
95−100
60−65
medium / 1080p
50−55
24−27
The average gaming FPS of Radeon HD 6990 in Fortnite is 71% more, than Radeon HD 8770M.
high / 1080p
24−27
12−14
ultra / 1080p
20−22
10−12
QHD / 1440p
9−10
1−2
low / 720p
50−55
27−30
medium / 1080p
27−30
14−16
The average gaming FPS of Radeon HD 6990 in Forza Horizon 4 is 107% more, than Radeon HD 8770M.
low / 768p
85−90
50−55
medium / 768p
75−80
45−50
high / 1080p
30−33
12−14
ultra / 1080p
12−14
6−7
QHD / 1440p
3−4
0−1
The average gaming FPS of Radeon HD 6990 in Grand Theft Auto V is 79% more, than Radeon HD 8770M.
high / 1080p
9−10
5−6
ultra / 1080p
7−8
3−4
4K / 2160p
2−3
0−1
low / 720p
27−30
12−14
medium / 1080p
12−14
6−7
The average gaming FPS of Radeon HD 6990 in Metro Exodus is 100% more, than Radeon HD 8770M.
low / 768p
110−120
95−100
high / 1080p
−
90−95
ultra / 1080p
100−110
80−85
medium / 1080p
100−110
90−95
The average gaming FPS of Radeon HD 6990 in Minecraft is 20% more, than Radeon HD 8770M.
high / 1080p
21−24
16−18
ultra / 1080p
18−20
14−16
low / 720p
55−60
30−35
medium / 1080p
24−27
18−20
The average gaming FPS of Radeon HD 6990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 55% more, than Radeon HD 8770M.
high / 1080p
14−16
−
ultra / 1080p
9−10
7−8
QHD / 1440p
0−1
0−1
low / 720p
27−30
12−14
medium / 1080p
16−18
10−12
The average gaming FPS of Radeon HD 6990 in Red Dead Redemption 2 is 80% more, than Radeon HD 8770M.
low / 768p
55−60
24−27
medium / 768p
30−35
16−18
high / 1080p
18−20
9−10
ultra / 1080p
10−12
6−7
4K / 2160p
8−9
6−7
The average gaming FPS of Radeon HD 6990 in The Witcher 3: Wild Hunt is 92% more, than Radeon HD 8770M.
low / 768p
100−110
85−90
medium / 768p
60−65
45−50
ultra / 1080p
35−40
20−22
high / 768p
50−55
35−40
The average gaming FPS of Radeon HD 6990 in World of Tanks is 33% more, than Radeon HD 8770M.
Full Specs
Radeon HD 6990
Radeon HD 8770M
Architecture
TeraScale 3
GCN
Code name
Antilles
Mars
Type
Desktop
Laptop
Release date
8 March 2011
16 November 2012
Pipelines
1536
384
Core clock speed
830 MHz
775 MHz
Boost Clock
825 MHz
Transistor count
2,640 million
950 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
79.68
19.80
Floating-point performance
2x 2,549.8 gflops
633.6 gflops
Length
295 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
5000 MHz
4500 MHz
Memory bandwidth
160.0 GB/s
72 GB/s
Shared memory
-
DirectX
11.2 (11_0)
12 (11_1)
Shader Model
5.0
5.1
OpenGL
4.4
4.6
OpenCL
1.2
1.2
Vulkan
N/A
1.2.131
Bitcoin / BTC (SHA256)
265 Mh/s
Laptop size
medium sized
Ethereum / ETH (DaggerHashimoto)
24 Mh/s
Check Price
Check Price
